Byju's — Product

I had purchased the course from BYJUS on 8th July the order number is SO-[protected] (Rs 89000) and my mail [protected]@gmail.com and contact number [protected] i didn't not attending the remaining course classes, I did not like the courses...so after taking the course next day I cancelled the course within the free trail period and contacted the company to cancel the course, but no satisfied response is coming... I have send so many mails and try to contact bjyus team no response and not at all lifting the calls so, the company should cancel the course and refund its full amount as soon as possible...it's has been 30 days no response